Weather in Portsmouth in July
In an average July, Portsmouth sees a daily high around 19°C and a low around 15°C, based on 1980–2026 of local climate records.
| Average high | 19°C |
|---|---|
| Typical high range | 17°C to 22°C |
| Average low | 15°C |
| Typical low range | 13°C to 17°C |
| Average daily precipitation | 3 mm |
July records
The most extreme July on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total July accumulation.
High
Highest
26°C
2022-07-19
Lowest
14°C
1997-07-02
Low
Highest
19°C
2022-07-13
Lowest
10°C
1996-07-07
Feels-like
Highest
26°C
2022-07-19
Lowest
10°C
1996-07-07
Humidity
Highest
15.2 g/m³
2006-07-26
Lowest
7.8 g/m³
1984-07-02
Wind
Highest
52 km/h
2021-07-30
Lowest
7 km/h
2021-07-21
Gust
Highest
86 km/h
2004-07-07
Lowest
13 km/h
2021-07-18
Precip
Wettest
119 mm
2007
Driest
10 mm
2022
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